Is Magnant a derived work ?
Francois Beerten
francois.beerten at teledisnet.be
Mon May 1 11:24:23 CEST 2006
Hello,
A game called Magnant uses a GPL'd engine called Stratagus. The
Stratagus engine is an executable which runs some scripts (also called
ccl). The scripts used by the Magnant game are GPL'd too. Those scripts
are tailored to the graphics and some other media of Magnant. The
scripts are pretty useless without graphics.
The stratagus executable is called via other "helper executables" which
add a trading card feature to the game. The "helper executables" are
useless without the Stratagus executable. I haven't been able to look at
what exactly they do as they crash on startup.
Now the graphics and the "helper executables" are licensed under the
Magnant License. The Magnant License is GPL incompatible. A file in the
Magnant package called Licenses.txt lists most licenses used in the
package. You can read it in Addendum A. The licenses can only be read
after an installation and are burried in the ZIP file 'C:\Program
Files\Magnant\data.magnant\doc\licenses.zip' except 'Licenses.txt' and
'Magnant License.txt' which are also available in 'C:\Program
Files\Magnant\data.magnant'.
In private discussions,the author and distributor of Magnant said that
Magnant is "a mere aggregation of another work not based on the Program".
The statement from the GPL "But when you distribute the same sections as
part of a whole which is a work based on the Program, the distribution
of the whole must be on the terms of this License, whose permissions for
other licensees extend to the entire whole, and thus to each and every
part regardless of who wrote it." seems to better apply here.
You can find the files for Magnant package at:
http://d.trymedia.com/d/mohydine/1h_pkg542/mohydine/MagnantSetup.exe
The Magnant website is:
http://insectwar.free.fr
The Stratagus website:
http://www.stratagus.org
The Magnant game is sold on many website like trygames.com. Those sites
offer free demos (as in free beer).
Now is Magnant a derived work ? Does it violate the GPL ?
Thanks for your answers,
Francois Beerten,
A stratagus dev.
----------------------------------------------
Addendum A: Licenses.txt
DISCLAIMER. THE SOFTWARE CONTAINED IN THIS PACKAGE IS PROVIDED 'AS IS'
WITHOUT WARRANTY OF ANY KIND. THE ENTIRE RISK AS TO THE RESULTS AND THE
PERFORMANCE OF THE SOFTWARE IS ASSUMED BY THE USER, AND IN NO EVENT WILL
Mohydine Entertainment Inc OR ANY OF THIS SOFTWARE AUTHORS BE LIABLE FOR
ANY CONSEQUENTIAL, INCIDENTAL OR DIRECT DAMAGES SUFFERED IN THE COURSE
OF USING THIS SOFTWARE. USE OF THE PROGRAMS, GRAPHICS, SOUNDS AND OTHER
RELATED FILES CONTAINED IN THIS GAME ARE GOVERNED BY THEIR RESPECTIVE
LICENSE AGREEMENTS AND CONTAIN RESTRICTIONS ON USE. PLEASE READ BELOW
FOR MORE DETAILS.
This game is a combination of several software components that may have
different licenses. please refer to the "doc" folder for more details.
Graphics, UI, Gameplay, Storyline:
Property: Stephane Intissar. This content is subject to the license
described in "Magnant license.txt"
Music(default.wav)
Author: Abdel Kander. This music is distributed as a shareware. It is
meant to be used only in conjunction with the present game. It cannot be
modified or distributed outside the context of this game without prior
author consent. Please contact him on (abdel at kander.com) for more
information.
Magnant.exe and InsectwarUpdate.exe(if included in this package):
Author:Stephane Intissar This content is subject to the license
described in "Magnant license.txt"
Sounds(voices and SFX):
These sounds are distributed as freeware. They can be distributed feely
as long as their copyright notice is kept intact.
Stratagus engine(engine.exe CCLs and srcs): Set of components released
under the terms of the GNU. see folder :"doc" for more information about
this set of components.
Fo Other components, please see the "doc" folder.
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